The 12th Open Letter to Leaders of Mankind 2026.01.05

Humanity Is Speeding Towards Its Own Demise 2026.01.05

Bowing to the Truth Brings Peace of Mind 2023.12.07

Please! Our Leaders, Can You Have a Sense of Crisis?! 2023.12.07

The 8th Open Letter to Leaders of Mankind 2023.04.28

The 7th Open Letter to Leaders of Mankind 2022.12.02

The 6th Open Letter to Leaders of Mankind 2021.11.30

Closing Remarks of Saving Mankind 2009.06.08

The 5th Open Letter to the Leaders of Mankind 2019.11.29

Finally I've got a bosom friend 2013.05.18

Hu Jiaqi: The 4th Open Letter to the Leaders of Mankind 2019.04.30

The Third Open Letter to Human Leaders 2013.05.17

Hawking Raised Three Views Identical to Mine 2013.05.18

An Open Letter Addressed to Chinese President Hu Jintao and American President Obama 2009.11.15

An Open Letter to 26 World Leaders 2009.06.08

A Lifetime's Choice, Never Regret 2009.06.08

It Is Time for the Great Unification of Mankind 2009.06.08

The World is Crazy 2009.06.08

Further Development of Science and Technology Will Certainly Soon Extinguish Mankind 2009.06.08

Imbalanced Evolution May Lead to Human Extinction 2009.06.08